Where is Frozen Set?

Introduction

The frozen set is a built-in data structure in Python that represents an immutable set of unique elements.
It is a read-only version of the regular set data structure, meaning that elements cannot be added or removed
after it has been created. Frozen sets are useful when you need a collection of unique elements that will
not change.

Finding the Frozen Set

Built-in Function

The easiest way to create a frozen set is to use the built-in function, frozenset().
You can pass any iterable, such as a list, tuple, or another set, to the function, and it will create a
frozen set containing the unique elements from the iterable.

    
frozen_set = frozenset([1, 2, 3, 4, 5])
print(frozen_set)
    
  

Casting from a Set

You can also create a frozen set by casting a regular set to a frozen set using the frozenset()
function.

    
set = {1, 2, 3, 4, 5}
frozen_set = frozenset(set)
print(frozen_set)
    
  

Immutability

Once a frozen set is created, it cannot be modified. This means that you cannot add or remove elements,
and you cannot clear the set.

    
frozen_set.add(6)  # Raises a TypeError
    
  

Conclusion

Frozen sets are useful for creating immutable collections of unique elements.
They are often used in situations where you need to ensure that the collection remains unchanged.

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